Home / 403,350-877,820

Finding the Third Proportional to 403,350 and 877,820

Calculator

Solution

The third proportional to 403,350 and 877,820 is: 1,910,420.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,350 : 877,820 = 877,820 : x
  2. Step 2: Convert to fraction form
    403,350/877,820 = 877,820/x
  3. Step 3: Cross multiply
    403,350x = 877,820 × 877,820
  4. Step 4: Simplify right side
    403,350x = 770,567,952,400
  5. Step 5: Solve for x
    x = 770,567,952,400/403,350
  6. Step 6: Final answer
    x = 1,910,420.11

Related Problems

Find third proportional to 201,675 and 438,910
Half scale
Find third proportional to 806,700 and 1,755,640
Double scale
Find third proportional to 403,352 and 877,824
Similar ratio
Find third proportional to 605,025 and 1,316,730
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.